South East London, England, United Kingdom Hybrid / WFH Options
Client Server
Backend Software Engineer/Developer (SpringBoot SQL API) London to £80k Well established trading brokerage is seeking a Backend Software Engineer with strong Java experience, as they expand into UK markets. As a Backend Software Engineer, you'll join a small technology team building Greenfield trading systems … an experienced Backend Software Engineer/Java Developer with a strong knowledge of best practice and the full software development lifecycle You have strong SpringBoot experience You have a good knowledge of SQL/NoSQL databases You have experience of designing and implementing REST APIs You are … modern well equipped offices Self development and career growth opportunities Apply now to find out more about this Backend Software Engineer/Java Developer (SpringBoot SQL API) opportunity. At Client Server we believe in a diverse workplace that allows people to play to their strengths and continually More ❯
Social network you want to login/join with: ? Senior Java Engineer – Kafka & SpringBoot, slough col-narrow-left Client: Pixelated People Location: slough, United Kingdom Job Category: Other - EU work permit required: Yes col-narrow-right Job Views: 2 Posted: 10.06.2025 Expiry Date: 25.07.2025 col-wide Job … or workshops – always with advance notice. The Role We’re looking for a Senior Java Engineer who thrives in the world of Kafka and Spring Boot. You’ll play a key role in crafting a secure, distributed backend system designed for real-time operations and maximum resilience. You’ll … specialists to create reliable backend services that keep people and teams connected when it matters most. Architect and build event-driven microservices using Java, SpringBoot, and Kafka Be responsible for the backend engineering for secure, distributed real-time systems Design and deliver rock-solid APIs in collaboration More ❯
Portsmouth, England, United Kingdom Hybrid / WFH Options
Advantage Group
learn more. Base pay range Direct message the job poster from Certain Advantage Principal Consultant at Certain Advantage Java Developer – Satellite Systems (Microservices, Agile, SpringBoot) Location: Portsmouth (Hybrid - x3 days per week on-site) 12 month contract Rates - Around £55 per hour (Inside IR35) Are you ready … full software development lifecycle, from design through to testing. The role will focus on building high-performance, secure, and scalable microservices using Java and SpringBoot, within a modern CI/CD DevOps setup. Key Responsibilities: Develop high-quality code as part of an Agile Scrum team Collaborate … features Participate in sprint planning, estimations, and reviews Contribute to automated testing and continuous integration Technical Skills Required: Strong core Java development (Java 8+) SpringBoot & Spring Framework (with Hibernate) RESTful web services over HTTPS Microservices architecture and distributed systems CI/CD pipelines and modern delivery More ❯
Portsmouth, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Social network you want to login/join with: Java Developer – Satellite Systems (Microservices, Agile, SpringBoot) Location: Portsmouth (Hybrid - x3 days per week on-site) 12 month contract Rates - Around £55 per hour (Inside IR35) Are you ready to work on technology that will launch the next … full software development lifecycle, from design through to testing. The role will focus on building high-performance, secure, and scalable microservices using Java and SpringBoot, within a modern CI/CD DevOps setup. Key Responsibilities: Develop high-quality code as part of an Agile Scrum team Collaborate … features Participate in sprint planning, estimations, and reviews Contribute to automated testing and continuous integration Technical Skills Required: Strong core Java development (Java 8+) SpringBoot & Spring Framework (with Hibernate) RESTful web services over HTTPS Microservices architecture and distributed systems CI/CD pipelines and modern delivery More ❯
technology and build a more sustainable, more inclusive world. Your Role We are seeking passionate and experienced Senior Kotlin Developer with strong backgrounds in SpringBoot and API design. The ideal candidates are forward-thinking individuals with a senior developer's mindset, capable of driving complex features end … across teams Proactively identify and address technical challenges, driving continuous improvement in the codebase and processes. Stay updated with the latest trends in Kotlin, SpringBoot, and API design. Work closely with Mobile and Web FE team to build Backend for Frontend that enables faster scalable FE development … Your Profile Proficiency in Kotlin and SpringBoot with hands-on experience in API design and development. If Kotlin is not possible, a Java expert with a keen interest to learn Kotlin. Strong knowledge of RESTful API principles and best practices. Familiarity with Micro-services architecture and related More ❯
AWS (EC2, SQS, RDS, DynamoDB, S3, Route53, KMS, CloudWatch) Agile methodologies (Scrum, Kanban) and modern development practices like TDD and BDD Essential: Java 17+, SpringBoot, Spring Data JPA, Spring Integration, Spring Batch, Quartz, Spring extension projects (Data, Cloud, Batch, Security), JPA (Hibernate), AWS More ❯
incidents. You will join a team that prides itself on collaboration and engineering the best possible Java code. Essential Skills and Experience: Java 17+, SpringBoot, Spring DataJPA, Spring Integration, Spring Batch, Microservices, Quartz, SQL Database (PostgreSQL), JPA (Hibernate), REST and SOAP Web Services, Messaging … ActiveMQ), Maven, Junit, Jenkins, AWS Cloud hosting and its components, Postgres/Aurora, Bootstrap, Docker, TDD, Agile (Scrum), Jaspersoft, Spring extension projects (Data, Cloud, Batch, Security), Angular. 8-10 years of hands-on experience with large-scale Spring-based Java projects. Experience supporting live systems and diagnosing incidents. … source databases like PostgreSQL. Experience with AWS services: EC2, SQS, RDS, DynamoDB, S3, Route53, KMS, CloudWatch. Strong analytical and decision-making skills. Experience with Spring Cloud. Experience working with Postfix. Experience using monitoring tools such as Grafana and Prometheus. Ability to create a cohesive working environment and build high More ❯
infrastructure, your work will support mission-critical applications used by enterprises worldwide . You’ll work with a cutting-edge stack including Java and SpringBoot , applying DevOps practices and automation to deliver reliable, secure software at scale . Whether enhancing core functionality or contributing to new services … within a technically mature and driven environment , this opportunity could be your next move. Responsibilities: Design, develop, and maintain Java-based backend services using SpringBoot, REST/GraphQL, Kafka, PostgreSQL, and RabbitMQ. Contribute to infrastructure modernisation efforts, working closely with DevOps teams on Kubernetes, CI/CD … development lifecycle through automation. Requirements: 7+ years of professional experience in software engineering, with a strong focus on Java backend development. Solid understanding of SpringBoot, Kafka, RabbitMQ, PostgreSQL, and modern API design patterns. Hands-on experience or familiarity with DevOps tools and concepts – e.g. Kubernetes, Git-based More ❯
powering global enterprises. As a Senior Backend Engineer, you’ll play a key role in designing and building greenfield backend services using Java and SpringBoot , with a strong emphasis on DevOps, automation, and performance at scale. You'll help shape technical direction , lead by example in code … a key role in a global product roadmap , we want to hear from you. Responsibilities: Design, develop, and maintain Java-based backend services using SpringBoot, REST/GraphQL, Kafka, PostgreSQL, and RabbitMQ. Contribute to infrastructure modernisation efforts, working closely with DevOps teams on Kubernetes, CI/CD … development lifecycle through automation. Requirements: 7+ years of professional experience in software engineering, with a strong focus on Java backend development. Solid understanding of SpringBoot, Kafka, RabbitMQ, PostgreSQL, and modern API design patterns. Hands-on experience or familiarity with DevOps tools and concepts – e.g. Kubernetes, Git-based More ❯
Long-term Note: Exp. with SITA borders - ARAS portal is highly preferred. Exp.: 7-8+ Yrs. JAVA and knowledge of RESTful APIS Architecture. SpringBoot, Spring Security, Spring Data, Spring MVC along with Unit Testing, Integration Testing and BDD Testing. experience with XML, Web … testing using Postman, SoapUI experience with fullweb stack including TypeScript, JavaScript, jQuery, Node.js, Webpack and Gulp enterprise Integration Patterns , exposure with apache camel or spring integration. experience designing and coding high-performance, scalable, reusable, enterprise Java applications experience with RDMS and database design (Oracle, PL/SQL, Mongo) Performance More ❯
to deliver high-quality code and collaborate on all stages of the software development lifecycle. Key Responsibilities: Develop code using Java Core (version 8+), SpringBoot, and Spring Framework Design and implement RESTful APIs and microservices architecture Utilize software design patterns and distributed systems knowledge Participate in … Leverage source code management tools, such as Git, and issue tracking systems like Jira Required Skills and Qualifications: Proficient in Java Core (version 8+), SpringBoot, and Spring Framework Experience in developing within a microservices architecture and working with RESTful APIs Knowledge of software design patterns and More ❯
Reading, England, United Kingdom Hybrid / WFH Options
Qualient Technology Solutions UK Limited
principles, utilizing concepts of clean architecture and clean code. Primary Responsibilities: Develop and maintain server-side and client-side applications using React, TypeScript, Java, SpringBoot, ensuring code quality, efficiency, and adherence to best practices. Design and implement scalable and efficient data structures and algorithms to optimize application … existing systems. Participate in code reviews to maintain code quality and share knowledge. Stay updated with industry trends and technologies related to Java, React, SpringBoot, CI/CD, Kubernetes, cloud technologies, and microservices Required Qualifications: Proficiency in React and its core principles, including hooks, state management, and … component lifecycle. Proficiency in Java, Spring Framework, Spring Boot. Proficiency in HTML5, CSS3, TypeScript/JavaScript. Experience with front-end build tools and package managers. Experience with RESTful API design and implementation. Experience with microservices architecture. Experience with relational databases (e.g., PostgreSQL). Experience with unit testing, integration More ❯
as the team expands. Key Responsibilities Design, develop, and maintain scalable and secure trading applications Write clean, testable, and maintainable code using Java and SpringBoot Build and integrate RESTful APIs and third-party services Participate in code reviews and Agile development processes Troubleshoot production issues and support … Bachelor's degree in Computer Science, Information Systems, or a related field 5–8 years of professional experience in Java development Strong expertise with Spring and SpringBoot frameworks Proficiency in SQL (PostgreSQL preferred) and ORM technologies (e.g., Hibernate) Experience with REST API development and test-driven More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
a small, agile team focused on end-to-end reporting solutions—spanning regulatory and strategic platforms. This role combines hands-on development with Java , SpringBoot , SQL , and data frameworks, alongside leadership in project delivery and resource planning. You’ll serve as a subject matter expert (SME) across … strategy by sharing design best practices and technical guidance. Expertise in Java (essential), with additional skills in C#/.NET development. Proven experience with SpringBoot ; exposure to Spring Batch is a plus. Strong knowledge of SQL and experience with reporting tools like SSRS, Power BI, SSAS More ❯
a commitment to act with integrity, as the foundation for the Company’s success, reputation and sustainable growth. Required Skills Java Core (version 8+) SpringBoot, Spring Framework - Good knowledge of Developing in Spring with Hibernate Good Knowledge of developing REST within HTTPS Experience of developing More ❯
developing APIs using OpenAPI and JSON. • Teamwork & Communication: Strong team working and communication skills; the ability to adapt to evolving project requirements. Highly Desirable • Spring/SpringBoot: Experience in developing applications using Spring/Spring Boot. • Database & JPA: Experience with PostgreSQL and the Java More ❯
open-minded attitude and ability to rapidly adapt and learn. Must have skills: Extensive server-side, hands-on Java 8+ development experience with strong Spring, SpringBoot & Hibernate Strong understanding of Microservice architecture Experience building web services and APIs on REST Strong understanding of unit & integration tests More ❯
open-minded attitude and ability to rapidly adapt and learn. Must have skills: Extensive server-side, hands-on Java 8+ development experience with strong Spring, SpringBoot & Hibernate Strong understanding of Microservice architecture Experience building web services and APIs on REST Strong understanding of unit & integration tests More ❯
open-minded attitude and ability to rapidly adapt and learn. Must have skills: Extensive server-side, hands-on Java 8+ development experience with strong Spring, SpringBoot & Hibernate Strong understanding of Microservice architecture Experience building web services and APIs on REST Strong understanding of unit & integration tests More ❯
Role Location: Reading, UK Role Type: Permanent (Hybrid) Job Description:- Must have skills: Extensive server-side, hands-on Java 8+ development experience with strong Spring, SpringBoot & Hibernate Strong understanding of Microservice architecture Experience building web services and APIs on REST Strong understanding of unit & integration tests More ❯
Must have skills: Extensive server-side, hands-on Java 8+ development experience with strong Spring, SpringBoot & Hibernate Strong understanding of Microservice architecture Experience building web services and APIs on REST Strong understanding of unit & integration tests, following TDD/BDD Experience using test frameworks like Junit More ❯
team members, while collaborating with globally distributed teams in the US, Ireland and India. Responsibilities: Design, develop, and maintain Java-based backend services using SpringBoot , REST/GraphQL , Kafka , PostgreSQL , and RabbitMQ . Contribute to infrastructure modernisation efforts, working closely with DevOps teams on Kubernetes , CI/… through automation. Requirements: 7–10+ years of professional experience in software engineering, with a strong focus on Java backend development . Solid understanding of SpringBoot , Kafka , RabbitMQ , PostgreSQL , and modern API design patterns. Hands-on experience or familiarity with DevOps tools and concepts – e.g. Kubernetes , Git-based More ❯
with a focus on data validation using tools like Pandas, and lead strategies for testing data lakes. Collaborate closely with QA and Java/SpringBoot development teams to ensure data quality and reliability across our sports technology ecosystem. What Your Day Will Look Like Build scalable and … and APIs using tools like Pandas, Great Expectations, and Java modules. Collaborate with development teams to design and implement automated tests for microservices, emphasizing SpringBoot and Java-based architectures. Implement testing strategies for AWS data lakes (e.g., S3, Glue, Athena) with a focus on schema evolution, data More ❯
and external stakeholders in a professional manner. Maintain awareness of compliance risks and act with integrity. Required Skills & Experience Programming: Java Core (version 8+), SpringBoot, Spring Framework, Hibernate Architecture: Microservices, RESTful APIs, Distributed Systems Design: UML/SysML (using Enterprise Architect or similar), Software Design Patterns More ❯
networking concepts and software design patterns. Strong communication skills in a multicultural team. It would be nice but not essential to have experience with Spring, SpringBoot, Linux, and front-end technologies like Angular. Knowledge of messaging systems such as IBM MQ or RabbitMQ. More ❯